The new Tour series from Diamond Audio was designed and engineereed to
have extensive sonic properties, sound dynamic, and to be built with
strength. With its reinforce conical structured design, the cone
structure of this subwoofer is well supported to handle the power. With
dual 2.5″ four layer voice coils in addition to the voice
coil chamber venting, Tour series subwoofers are designed for long
lasting play. Tour subwoofers are capped off with an attractive
Cartesian vector continuous curvature composite poly cone so it not
only sounds good, but looks good as well.